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8090 [49]
2 years ago
8

Which formula is comparing a sample of a gas under two different conditions of volume and temperature, if the pressure is consta

nt?
⚪︎ V1 V2

____ = ___

T1 T2


⚪︎ xy = k


⚪︎ V

__ = k

T


⚪︎ P1V1 = P2V2


⚪︎ PV = k
Chemistry
1 answer:
Gwar [14]2 years ago
3 0

Answer:

V1/T1 = V2/T2

Explanation:

The Combined gas law for two states, 1 and 2, is given by:

P1V1/T1 = P2V2/T2

where P, V, and T are Pressure, Volume, and Temperature (always in degrees Kelvin).

If pressure is constant, the P1 and P2 cancel out:

V1/T1 = V2/T2

I can't tell from the formatting of the answers if A is this relationship.  Please compare.

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Which of the following would result in butyl phenyl ether as the major product? a. Reaction of phenoxide with 1-bromobutane b. R
AlladinOne [14]

Answer:

Reaction of 1-butanol with bromobenzene

Explanation:

The reaction would yield ether as the major product is the reaction of the 1-butanol with bromobenzene. This is because the reaction does not have the large percentage of the undesired side product. In fact, the major product is about 85 % in composition, compared to the 15 % of the minor product. Hence, the reaction is efficient.

4 0
3 years ago
Q: A 25.5 mL aliquot of HCl (aq) of unknown concentration was titrated with 0.113 M NaOH (aq). It took 51.2 mL of the base to re
blondinia [14]
M ( HCl ) = ?

V ( HCl ) = 25.5 mL in liters : 25.5 / 1000 => 0.0255 L

M ( NaOH ) = 0.113 M

V ( NaOH ) = 51.2 mL / 1000 => 0.0512 L

number of moles NaOH:

n = M x V

n = 0.113 x <span> 0.0512 => 0.0057856 moles of NaOH

mole ratio:

</span><span>HCl + NaOH = NaCl + H2O
</span><span>
1 mole HCl -------------- 1 mole NaOH
( moles HCl ) ----------- </span><span> 0.0057856 moles NaOH
</span>
(moles HCl ) = <span> 0.0057856 x 1 / 1
</span>
= <span> 0.0057856 moles of HCl
</span>
M ( HCl ) = n / V

M =  0.0057856 / <span>0.0255
</span>
= 0.227 M

Answer A

hope this helps!

4 0
3 years ago
Read 2 more answers
_____ bonds are formed when the electronegativity difference is 0.4 &gt; 2.0. Give two examples:
34kurt

<u>Ionic Bond</u> is formed when the electronegativity difference is 0.4 > 2.0. Electronegativity is a term that can be defined as a tendency of an atom to attract electron towards its own self.

Explanation:

Electronegativity is a term that can be defined as a tendency of an atom to attract electron towards its own self.

An  electronegativity of an atom is affected by

  • The atomic number of the atom
  • Secondly by the distance at which the valence electron are residing from the nucleus

1. In case the  electronegativity difference (which is denoted by  ΔEN) is less than 0.5  then the bond formed is known as N<u>onpolar covalent. </u>

2. In case  the ΔEN is in between 0.5 and 1.6, the bond formed is referred to as the<u> Polar covalent </u>

3. In case  the ΔEN is more /greater  than 2.0, then the bond formed is referred to as<u> Ionic Bond</u>

<u>2 Examples of Ionic bonds</u>

  • The formation of sodium fluoride, NaF, from a sodium atom and a fluorine atom is an example of Ionic bond formation.
  • Another example is the formation of NaCl from  sodium (Na),which is  a metal, and chloride (Cl), which is a  nonmetal

6 0
3 years ago
What is the affect of attraction or pull gravity between the sun and moon
REY [17]
I think the sun would suck in the moon
4 0
3 years ago
Where is the energy for cell division generated?
Zepler [3.9K]
Mitochondria because is the power house for cell,site for respiration or energy release.
4 0
3 years ago
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